Which to use
“propensión” and “propulsión” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #36,773
- “propensión” frequency rank
- #27,360
- “propulsión” frequency rank
- 64133
- confusion score
Side-by-Side Comparison
| Feature | propensión | propulsión |
|---|---|---|
| Definition | Tendencia de una persona a realizar algo por gusto. | Acción o efecto de propulsar. |
Where the eye mixes propensión and propulsión
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. propensión and propulsión follow the identical consonant-vowel pattern (CCVCVCCVVC). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses propensión with propulsión
A purely visual mix-up. propensión ([pɾopẽnˈsjõn]) and propulsión ([pɾopulˈsjõn]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 64133, derived from the frequency rank of both members and their visual similarity.
propensión is recorded at frequency rank #36,773, classified as anoun, pronounced [pɾopẽnˈsjõn]. propulsión is at rank #27,360, tagged as anoun, pronounced [pɾopulˈsjõn].
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 64133, this pair ranks #46,501 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of propensión vs propulsión
Shared letters: inoprsó. Private to "propensión": e. Private to "propulsión": lu.
"propensión" · 10 letters · shape CCVCVCCVVC · "propulsión" · 10 letters · shape CCVCVCCVVC
Frequently Asked Questions
Is swapping "propensión" for "propulsión" ever safe?
Frequency check: "propensión" vs "propulsión" - which ranks higher?
What to do next
Eye-level mix-up between "propensión" and "propulsión" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "propensión" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "propulsión" - compare definitions side by side with the headword page. Word entry
- This pair ranks #46,501 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "propensión" and "propulsión" also get mixed up with nearby pairs, the highest-scored neighbour is "profusión vs propulsión". Nearby pair
Confusion rank #46,501 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.